GB249459A - Improvements in percussive tools - Google Patents

Improvements in percussive tools

Info

Publication number
GB249459A
GB249459A GB16146/25A GB1614625A GB249459A GB 249459 A GB249459 A GB 249459A GB 16146/25 A GB16146/25 A GB 16146/25A GB 1614625 A GB1614625 A GB 1614625A GB 249459 A GB249459 A GB 249459A
Authority
GB
United Kingdom
Prior art keywords
cam
percussive tools
m3ller
striker
cancelled
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB16146/25A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB249459A publication Critical patent/GB249459A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D11/00—Portable percussive tools with electromotor or other motor drive
    • B25D11/06—Means for driving the impulse member
    • B25D11/10—Means for driving the impulse member comprising a cam mechanism
    • B25D11/102—Means for driving the impulse member comprising a cam mechanism the rotating axis of the cam member being coaxial with the axis of the tool

Abstract

249,459. M³ller, A. March 23. 1925. [Convention date]. Percussive tools.-The actuating spring 10 are compressed against a fixed abutment 4 by the action of a cam 1 rotated by a pinion 5, and the cam is so shaped that the angle of inclination of its lifting surface varies in such a manner that the torque to be overcome by the driving member remains practically constant. In the Specification as open to inspection under Sect. 91 (3) (a), the particular embodiment described is illustrated by Fig. 1 (Cancelled), wherein the cam 1 engages a driver G attached to the striker. This subject-matter does not appear in the Specification as accepted.
GB16146/25A 1925-03-23 1925-06-22 Improvements in percussive tools Expired GB249459A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH249459X 1925-03-23

Publications (1)

Publication Number Publication Date
GB249459A true GB249459A (en) 1926-09-22

Family

ID=4467558

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16146/25A Expired GB249459A (en) 1925-03-23 1925-06-22 Improvements in percussive tools

Country Status (1)

Country Link
GB (1) GB249459A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3411591A (en) * 1966-03-03 1968-11-19 Hughes Tool Co Coil power spring impact mechanism
US7350592B2 (en) 2005-02-10 2008-04-01 Black & Decker Inc. Hammer drill with camming hammer drive mechanism
CN103046885A (en) * 2013-01-23 2013-04-17 郭子江 Hitting device for loosening coupling of oil extraction pipe

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3411591A (en) * 1966-03-03 1968-11-19 Hughes Tool Co Coil power spring impact mechanism
US7350592B2 (en) 2005-02-10 2008-04-01 Black & Decker Inc. Hammer drill with camming hammer drive mechanism
CN103046885A (en) * 2013-01-23 2013-04-17 郭子江 Hitting device for loosening coupling of oil extraction pipe

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